Home / 652,555.20-979,189.44-253,211.64

Finding the Fourth Proportional to 652,555.20, 979,189.44 and 253,211.64

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Solution

The fourth proportional to 652,555.20, 979,189.44 and 253,211.64 is: 379,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,555.20 : 979,189.44 = 253,211.64 : x
  2. Step 2: Convert to fraction form
    652,555.20/979,189.44 = 253,211.64/x
  3. Step 3: Cross multiply
    652,555.20x = 979,189.44 × 253,211.64
  4. Step 4: Simplify right side
    652,555.20x = 247,942,163,973.08
  5. Step 5: Solve for x
    x = 247,942,163,973.08/652,555.20
  6. Step 6: Final answer
    x = 379,955.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.